Analysis

  • max time kernel
    13s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/05/2026, 16:13

Errors

Reason
Machine shutdown

General

  • Target
    kxrnagev1.exe
  • Size 40.5MB
  • Sample260519-tpjbaahs4y
  • SHA256 29100b31c70b1ec45ff288fdd690517c4915c3d9cbc70b82d777383aab8152cc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 14 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kxrnagev1.exe
    "C:\Users\Admin\AppData\Local\Temp\kxrnagev1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Users\Admin\AppData\Local\Temp\kxrnagev1.exe
      "C:\Users\Admin\AppData\Local\Temp\kxrnagev1.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "getmac /fo csv /nh"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1836
        • C:\Windows\system32\getmac.exe
          getmac /fo csv /nh
          4⤵
            PID:3772
        • C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
          C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
          3⤵
          • Executes dropped EXE
          PID:2928
          • C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
            C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
            4⤵
              PID:1096
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "attrib +h "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\lsass.exe""
                5⤵
                • Hide Artifacts: Hidden Files and Directories
                PID:4084
                • C:\Windows\system32\attrib.exe
                  attrib +h "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\lsass.exe"
                  6⤵
                  • Views/modifies file attributes
                  PID:3768
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "attrib +h "C:\Users\Admin\AppData\Roaming\Microsoft\Word\RuntimeBroker.exe""
                5⤵
                • Hide Artifacts: Hidden Files and Directories
                PID:4568
                • C:\Windows\system32\attrib.exe
                  attrib +h "C:\Users\Admin\AppData\Roaming\Microsoft\Word\RuntimeBroker.exe"
                  6⤵
                  • Views/modifies file attributes
                  PID:4532
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "attrib +h "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\csrss.exe""
                5⤵
                • Hide Artifacts: Hidden Files and Directories
                PID:4316
                • C:\Windows\system32\attrib.exe
                  attrib +h "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\csrss.exe"
                  6⤵
                  • Views/modifies file attributes
                  PID:1488
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "schtasks /create /tn "MicrosoftEdgeUpdateTask_39fc7b" /tr "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\lsass.exe" /sc onlogon /rl HIGHEST /f /delay 0001:00 >nul 2>&1"
                5⤵
                  PID:1960
                  • C:\Windows\system32\schtasks.exe
                    schtasks /create /tn "MicrosoftEdgeUpdateTask_39fc7b" /tr "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\lsass.exe" /sc onlogon /rl HIGHEST /f /delay 0001:00
                    6⤵
                    • Scheduled Task/Job: Scheduled Task
                    PID:808

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              csrss.exe

              • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\csrss.exe
              • Size 1.4MB
              • SHA256 243c8c75b17533c8f7d472df8018fefdc0c101744855078f260428e7fb2abc41
              • MD5 SHA1 SHA512 SSDEEP TLSH

              81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
              • Size 211KB
              • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
              • MD5 SHA1 SHA512 SSDEEP TLSH

              base_library.zip

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\base_library.zip
              • Size 1.3MB
              • SHA256 76226faaf3a85dc855b01831655bd06d35303a5564c49f9b84d4fb82fad6e2d5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libcrypto-3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\libcrypto-3.dll
              • Size 3.9MB
              • SHA256 d858a85d6f5d7d946cfc0c8de78f65805ebe8fa3bbc14cd0ee838368b83b5cad
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pyexpat.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\pyexpat.pyd
              • Size 214KB
              • SHA256 9349be352300fef4b16da0574c670b174d75094574ab51f3d385767d1e3dfc0d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              python314.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\python314.dll
              • Size 3.7MB
              • SHA256 973c95e5243dfd4ed37b2d9b324765168dd9a42e1a0cccce810fd9144eb3b65c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              sqlite3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI29282\sqlite3.dll
              • Size 1.5MB
              • SHA256 d711c289bba08259fa56fc20d41bf346dfefd1a927a7d538b8fc0dd75719d331
              • MD5 SHA1 SHA512 SSDEEP TLSH

              VCRUNTIME140.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\VCRUNTIME140.dll
              • Size 117KB
              • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              VCRUNTIME140_1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\VCRUNTIME140_1.dll
              • Size 48KB
              • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _bz2.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_bz2.pyd
              • Size 86KB
              • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _cffi_backend.cp314-win_amd64.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_cffi_backend.cp314-win_amd64.pyd
              • Size 177KB
              • SHA256 58bbe1eb15f9ab8e9ea45715a8311e2366b360d910a4685448bdd728d5177a01
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _ctypes.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_ctypes.pyd
              • Size 139KB
              • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _decimal.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_decimal.pyd
              • Size 283KB
              • SHA256 1ee2247153ec6c6e5b3b49402f294b2b7325385ad489a5522e6fa9b406575e8b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _hashlib.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_hashlib.pyd
              • Size 67KB
              • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _lzma.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_lzma.pyd
              • Size 157KB
              • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _socket.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_socket.pyd
              • Size 85KB
              • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _ssl.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_ssl.pyd
              • Size 180KB
              • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _uuid.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_uuid.pyd
              • Size 27KB
              • SHA256 635d6c46bbf6b86dd30a802bd1c6e214dabccb44d1452c52f0b557ae5bcc6f68
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _wmi.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_wmi.pyd
              • Size 39KB
              • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _zstd.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\_zstd.pyd
              • Size 491KB
              • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
              • MD5 SHA1 SHA512 SSDEEP TLSH

              base_library.zip

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\base_library.zip
              • Size 1.3MB
              • SHA256 bd00d6a8b5f27962de08c7d224cbd78bf77b1ce443af3e000971ac24942ed825
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libcrypto-3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\libcrypto-3.dll
              • Size 5.0MB
              • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libffi-8.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\libffi-8.dll
              • Size 38KB
              • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libssl-3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\libssl-3.dll
              • Size 776KB
              • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              python3.DLL

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\python3.DLL
              • Size 72KB
              • SHA256 f3d0cd260a46a9617a8b1d4d5e8703278478c22a910165bffb4e4ddf6562d93f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              python314.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\python314.dll
              • Size 6.5MB
              • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              select.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\select.pyd
              • Size 32KB
              • SHA256 8c3ee20776d8eb7c441f2006ed46b9ba932060c6b66df4c1e156dcf7738d56ce
              • MD5 SHA1 SHA512 SSDEEP TLSH

              unicodedata.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI48242\unicodedata.pyd
              • Size 740KB
              • SHA256 a7a2bfeed5d0480d8c458b3a61ee32c478ae10c694e8be61c3ba0e8cc2a6e1c6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c53d5447-d549-4977-b9d7-2613eaee72ca.exe

              • Path C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
              • Size 4.6MB
              • SHA256 744ccd469935a651b93bcfe9b95320b0ac0b00c5aa0a5ee0263535508b6ea8ad
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c53d5447-d549-4977-b9d7-2613eaee72ca.exe

              • Path C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
              • Size 6.5MB
              • SHA256 f4b995924cb7a56e9b1ac52875c0e5488d7d9516c5050e6ccba04915c0ee2342
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c53d5447-d549-4977-b9d7-2613eaee72ca.exe

              • Path C:\Users\Admin\AppData\Local\Temp\c53d5447-d549-4977-b9d7-2613eaee72ca.exe
              • Size 5.2MB
              • SHA256 70964e5748ab904033db227a44b933c55d6d0c8eee890807fec6a92bb193faab
              • MD5 SHA1 SHA512 SSDEEP TLSH